Commit 8d027de5 authored Oct 29, 2005 by Oleg Nesterov Committed by Linus Torvalds Oct 29, 2005

[PATCH] fix ->signal->live leak in copy_process()



exit_signal() (called from copy_process's error path) should decrement
->signal->live, otherwise forking process will miss 'group_dead' in
do_exit().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 47e627ce

kernel/signal.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -406,6 +406,8 @@ void __exit_signal(struct task_struct *tsk)

		void exit_signal(struct task_struct *tsk)
		{
		atomic_dec(&tsk->signal->live);

		write_lock_irq(&tasklist_lock);
		__exit_signal(tsk);
		write_unlock_irq(&tasklist_lock);